Juanita participated in a psychology research project that involved solving a number of arithmetic problems. during the experiment, she was informed that her solutions were incorrect. after the experiment was completed, a research assistant explained the purpose of the experiment. he told juanita that she had actually answered all items correctly, and then explained why the experiment required that she be told that her answers were wrong. this stage of the research represents:

Griffin correctly concludes that the coordinate pair for the russian federation is an influential point, because removing the russian federation from the relationship will significantly change the trend of the regression line. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated coefficient of determination of the regression line. is not an influential point, because the russian federation does not have the highest cvdir of all 1111 nations in the scatterplot. is an influential point, because removing the russian federation from the relationship will not significantly affect the estimated slope of the regression line. is not an influential point, because the russian federation has a positive residual in the least-squares linear regression.